131604640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43291}}^1$

素因数の和:43325

約数の個数: 48

約数和(自身を含む): 327287520

約数和(自身を除く): 195682880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 43291, 86582, 173164, 216455, 346328, 432910, 692656, 822529, 865820, 1385312, 1645058, 1731640, 3290116, 3463280, 4112645, 6580232, 6926560, 8225290, 13160464, 16450580, 26320928, 32901160, 65802320, 131604640]

約数ペア:

[(1, 131604640), (2, 65802320), (4, 32901160), (5, 26320928), (8, 16450580), (10, 13160464), (16, 8225290), (19, 6926560), (20, 6580232), (32, 4112645), (38, 3463280), (40, 3290116), (76, 1731640), (80, 1645058), (95, 1385312), (152, 865820), (160, 822529), (190, 692656), (304, 432910), (380, 346328), (608, 216455), (760, 173164), (1520, 86582), (3040, 43291)]